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Finding the Fourth Proportional to 2,571.96, 3,546.78 and 2,530.92

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Solution

The fourth proportional to 2,571.96, 3,546.78 and 2,530.92 is: 3,490.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,571.96 : 3,546.78 = 2,530.92 : x
  2. Step 2: Convert to fraction form
    2,571.96/3,546.78 = 2,530.92/x
  3. Step 3: Cross multiply
    2,571.96x = 3,546.78 × 2,530.92
  4. Step 4: Simplify right side
    2,571.96x = 8,976,616.44
  5. Step 5: Solve for x
    x = 8,976,616.44/2,571.96
  6. Step 6: Final answer
    x = 3,490.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.